| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] at a time | 11 |
|
| 2 | or [adv] at [art] time | 10 |
|
| 3 | or [adv] at [art] time | 10 |
|
| 4 | or [adv] at a [noun] | 10 |
|
| 5 | or [adv] at a time | 5 |
|
| 6 | or [adv] [prep] a time | 5 |
|
| 7 | or [adv] [prep] a time | 5 |
|
| 8 | or [adv] at a time | 5 |
|
